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Nonamiya [84]
2 years ago
10

Five workers dig a trench 5 yards long in 5 hours. How many workers are needed to dig a 100 yards long in 100 hours?

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
7 0

I think it would require 100 workers since 1 worker digs up 1 yard.

Hope this helps.

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What is 3 ÷ 5/6 ? Show your work
krok68 [10]

Answer:

3 3/5 or 18/5

Step-by-step explanation:

When we divide by fractions, we multiply by the reciprocal of the fraction.

So, 3 ÷ 5/6 is

3*6/5

=18/5

=3 3/5

Have a great day!

6 0
2 years ago
Read 2 more answers
Two sides of a right triangle have lengths of 26 units and 10 units. There are two possible lengths for the third side. What is
Naya [18.7K]
C^2 = a^2 + b^2
26^2 = 10^2 + b^2
676 = 100 + b^2
576 = b^2
shortest side length = 24 units
7 0
2 years ago
(Pl3ase H3lp M3) -1 3/5 ÷ -2/3​
Arlecino [84]

Answer:

2 2/5

Step-by-step explanation:

−1 3/5 / −2/3

=2 2/5

(Decimal: 2.4)

i hope this helps

brainliest is very much appreciated...  :}

4 0
3 years ago
What are the roots of the equation 16x2 + 40x + 27 = 0 in simplest a + bi form?
bezimeni [28]

9514 1404 393

Answer:

  -5/4 +i(√2)/4 and -5/4 -i(√2)/4

Step-by-step explanation:

I find simplest form to be easier to get to if the leading coefficient is 1. Dividing by 16, we have ...

  x^2 +5/2x +27/16 = 0

Completing the square by adding and subtracting the square of half the x-coefficient, we get ...

  (x^2 +5/2x +25/16) +27/16 -25/16 = 0

  (x +5/4)^2 = 2/16

Subtracting 2/16, taking the square root, and subtracting 5/4 gives ...

  x +5/4 = ±√(-2/16)

  x = -5/4 ±i(√2)/4

The roots are -5/4 +i(√2)/4 and -5/4 -i(√2)/4.

7 0
3 years ago
If 48% of the students in a certain college are female and there are 1440 female students, what is the total number of students
Andrews [41]

Answer:

3000 students

Step-by-step explanation:

If 48% of the students are female, and there are 1440 female students, we can set up a percentage proportion, assuming x is the total amount of students.

\frac{1440}{x} = \frac{48}{100}

We can use the cross products property to find the value of x.

1440\cdot100=144000\\\\144000\div48=3000

Hope this helped!

5 0
3 years ago
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